Determine whether or not each of the following discrete-time signals is periodic. If the signal is periodic, determine its fundamental period.(a) x[n]=sin(8π/2 n+1),(b) x[n]=cos(r/8-π)(c) x[n]=cos(π/8 n²)(d) x[n]=cos(π/2 n) cos(π/4 n)(e) x[n]=2cos(π/4 n)+sin(π/8 n)-2cos(π/2 n+π/6)

0.85 or 85%

step-by-step explanation:

1) divide 23 by 27

2) round the decimal to the nearest 10

3) so your answer would be 0.85 or 85%

step-by-step explanation:

*calories burned = (weight)(calorie factor)*

calories burned = 180 (0.65)

calories burned = 117

the calories he used up is 117, which is 65% of his weight.  

the answer is a) y= 2 csc [0.5 (x+pi/2)]-1

step-by-step explanation:

are you missing something?

can i have brainliest? i need it : d